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/* nbdkit
* Copyright Red Hat
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* * Neither the name of Red Hat nor the names of its contributors may be
* used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY RED HAT AND CONTRIBUTORS ''AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL RED HAT OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* Check for a requirement or skip the test. */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include "requires.h"
void
skip_because (const char *fs, ...)
{
va_list args;
printf ("Test skipped because: ");
va_start (args, fs);
vprintf (fs, args);
va_end (args);
putchar ('\n');
fflush (stdout);
exit (77);
}
void
requires (const char *cmd)
{
printf ("requires %s\n", cmd);
fflush (stdout);
if (system (cmd) != 0)
skip_because ("prerequisite is missing or not working");
}
void
requires_not (const char *cmd)
{
printf ("requires_not %s\n", cmd);
fflush (stdout);
if (system (cmd) == 0)
skip_because ("prerequisite is missing or not working");
}
void
requires_exists (const char *filename)
{
printf ("requires_exists %s\n", filename);
fflush (stdout);
if (access (filename, F_OK) == -1)
skip_because ("file '%s' not found", filename);
}
void
requires_not_exists (const char *filename)
{
printf ("requires_not_exists %s\n", filename);
fflush (stdout);
if (access (filename, F_OK) == 0)
skip_because ("file '%s' exists", filename);
}
void
requires_not_valgrind (const char *reason)
{
const char *s = getenv ("NBDKIT_VALGRIND");
if (s && strcmp (s, "1") == 0)
skip_because ("%s", reason ? reason : "running under valgrind");
}
#ifndef WIN32
void
requires_root (void)
{
if (geteuid () != 0)
skip_because ("not running as root.\n"
"Use ‘sudo make check-root’ to run these tests.");
}
#else
void
requires_root (void)
{
skip_because ("Windows requires_root not implemented");
}
#endif
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